diff --git a/flake.nix b/flake.nix
index 0048fca..4dbd794 100644
--- a/flake.nix
+++ b/flake.nix
@@ -35,7 +35,7 @@
     geoip2-tarball,
     ...
   }: let
-    overlay = import ./overlays.nix geoip2-tarball;
+    overlay = import ./overlay.nix geoip2-tarball;
   in
     flake-utils.lib.eachDefaultSystem (system: let
       pkgs = import nixpkgs {
diff --git a/modules/e11sync/default.nix b/modules/e11sync/default.nix
index 23b2e4f..1d1431b 100644
--- a/modules/e11sync/default.nix
+++ b/modules/e11sync/default.nix
@@ -4,7 +4,7 @@ geoip2-tarball: {
   pkgs,
   ...
 }: let
-  overlay = import ../../overlays.nix geoip2-tarball;
+  overlay = import ../../overlay.nix geoip2-tarball;
   pkgs1 = pkgs.extend overlay;
   inherit (pkgs1) e11sync-backend e11sync-caddyfile;
 in {
diff --git a/overlays.nix b/overlay.nix
similarity index 63%
rename from overlays.nix
rename to overlay.nix
index 3c70982..5645dc2 100644
--- a/overlays.nix
+++ b/overlay.nix
@@ -1,9 +1,9 @@
-geoip2-tarball: (_: super: let
-  withDjango5 = super.extend (
-    _: super: {
-      python3 = super.python3.override {
-        packageOverrides = _: python-super: {
-          django = python-super.django_5;
+geoip2-tarball: (_: prev: let
+  withDjango5 = prev.extend (
+    _: prev1: {
+      python3 = prev1.python3.override {
+        packageOverrides = _: python-prev: {
+          django = python-prev.django_5;
         };
       };
     }